系统消息发布添加标题功能

app/controllers/system_messages_controller.rb

@@ -39,6 +39,7 @@ class SystemMessagesController < ApplicationController
     end
     @system_messages = SystemMessage.new
     @system_messages.description = params[:system_message][:description]
+    @system_messages.subject = params[:system_message][:subject]
     @system_messages.user_id = User.current.id
     respond_to do |format|
       if @system_messages.save

app/models/system_message.rb

@@ -1,7 +1,8 @@
 class SystemMessage < ActiveRecord::Base
-  attr_accessible :content, :id, :user_id, :description
+  attr_accessible :content, :id, :user_id, :description, :subject
   belongs_to :user
 
-  validates :description, presence: true
+  validates :subject, presence: true
+  # validates :description, presence: true
   validates_length_of :description, maximum: 10000
 end

app/views/admin/messages.html.erb

@@ -4,6 +4,9 @@
 </h3><br/>
 <div style="padding-top: 20px; padding-left: 5px;">
   <%= form_for(@admin_messages, :html => {:id =>'system_messages-form'}) do |f| %>
+      <div class="field">
+        <%= f.text_area :subject %>
+      </div>
       <div class="field">
         <%= f.kindeditor :description,:width=>'87%',:editor_id=>'system_message_editor' %>
         <p id="content_notice_span" class="ml55"></p>

db/migrate/20150917081214_add_subject_to_system_message.rb

@@ -0,0 +1,5 @@
+class AddSubjectToSystemMessage < ActiveRecord::Migration
+  def change
+    add_column :system_messages, :subject, :string
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20150915063302) do
+ActiveRecord::Schema.define(:version => 20150917081214) do
 
   create_table "activities", :force => true do |t|
     t.integer  "act_id",                                  :null => false
@@ -1365,6 +1365,7 @@ ActiveRecord::Schema.define(:version => 20150915063302) do
     t.datetime "created_at",  :null => false
     t.datetime "updated_at",  :null => false
     t.text     "description"
+    t.string   "subject"
   end
 
   create_table "taggings", :force => true do |t|